Music by Kevin MacLeod. Available under the Creative Commons Attribution 3.0 Unported license. Download link: https://incompetech.com/music/royalty-free/index.html?isrc=USUAN1100447

MacLeod's description:

Genre: Soundtrack
Length: 0:53
Instruments: Percussion, Trombones, Basses, Violins, Tuba
Tempo: 50

African-influenced short piece with continuous accelerando. 036
ISRC: US-UAN-11-00447
Dark, Intense, Somber, Suspenseful 2008